Directory of environmental information sources
By: edited by Thomas F.P. Sullivan ; compiled by editorial staff, Government Institutes, Inc.
Contributors: Sullivan, Thomas F. P.; Government Institutes.
Edition: 4th ed.
Publisher: Government Institutes
Published: 1992
Place of publication: Rockville, Md
Language: eng
Number of pages: 262
Subjects: Environmental sciences -- United States -- Information services -- Directories.; Environmental sciences -- United States -- Bibliography.; Environmental sciences -- Bibliography.
Other titles: Environmental information sources.
Notes: "November 1992"--T.p. verso.
Includes index.